All names: Gaia DR3 707729521401751936, Gaia EDR3 707729521401751936, SDSS J083000.91+292543.5, SDSS J083000.91+292543.6, GALEX J083001.0+292544, Gaia DR2 707729521401751936
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 08 30 00.91 (0.5) | 08 30 00.92 (0.5) | |||
| Declination | 29 25 43.40 (0.3) | 29 25 43.70 (0.3) | |||
| Spectral type | D | DA | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 2.70 (0.6) | 2.70 (0.6) | ||
| Distance | [pc] | 370.36 (80) | 370.36 (80) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -14.001 (0.6) | -14.001 (0.6) | ||
| Proper motion (declination) | [mas/yr] | -18.385 (0.4) | -18.385 (0.4) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 20.26 (0.05) | ||||
| g magnitude | 20.11 (0.02) | ||||
| r magnitude | 20.11 (0.02) | ||||
| i magnitude | 20.33 (0.04) | ||||
| z magnitude | 20.48 (0.2) | ||||
| G magnitude | 20.09 (0.006) | 20.09 (0.006) | |||
| BP magnitude | 20.13 (0.09) | ||||
| RP magnitude | 19.89 (0.1) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.020 | ||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.